var popUpWin=0;
function popUpWindowRules() {
  var URLStr = "http://www.betapress.ru/rules/index.html";
  var width="600", height="400";
  var left = (screen.width/2) - width/2;
  var top = (screen.height/2) - height/2;
  if(popUpWin)
  {
    if(!popUpWin.closed) popUpWin.close();
  }
  popUpWin = open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=no,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}

function hideLoading() {
document.getElementById('pageIsLoading').style.display = 'none';
}